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Finding the Fourth Proportional to 82,482.93, 113,756.22 and 55,590.12

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Solution

The fourth proportional to 82,482.93, 113,756.22 and 55,590.12 is: 76,667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,482.93 : 113,756.22 = 55,590.12 : x
  2. Step 2: Convert to fraction form
    82,482.93/113,756.22 = 55,590.12/x
  3. Step 3: Cross multiply
    82,482.93x = 113,756.22 × 55,590.12
  4. Step 4: Simplify right side
    82,482.93x = 6,323,721,920.55
  5. Step 5: Solve for x
    x = 6,323,721,920.55/82,482.93
  6. Step 6: Final answer
    x = 76,667.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.